331662064 has 20 divisors (see below), whose sum is σ = 643463280. Its totient is φ = 165607040.

The previous prime is 331662059. The next prime is 331662073. The reversal of 331662064 is 460266133.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444 + ... + 25795.

It is an arithmetic number, because the mean of its divisors is an integer number (32173164).

Almost surely, 2^331662064 is an apocalyptic number.

It is an amenable number.

331662064 is a deficient number, since it is larger than the sum of its proper divisors (311801216).

331662064 is a wasteful number, since it uses less digits than its factorization.

331662064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28008 (or 28002 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 331662064 is about 18211.5914735643. The cubic root of 331662064 is about 692.2005388474.

The spelling of 331662064 in words is "three hundred thirty-one million, six hundred sixty-two thousand, sixty-four".